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Second Cluster Launch Will Complete the Space Quartet


Paris - August 1, 2000 -
After the successful launch of the first two Cluster satellites -- Salsa and Samba -- on 16 July, followed by a perfect insertion into their operational orbits, scientists around the world are eagerly awaiting the launch of the second Cluster pair from Baikonur Cosmodrome in Kazakhstan.

Lift-off for the next duo, FM 5 (Rumba) and FM 8 (Tango), is currently scheduled for 13:13 CEST / 17:13 Baikonur time, on 9 August. Following their release from the Soyuz-Fregat launch vehicle provided by the French-Russian Starsem consortium, the satellites will participate in an almost identical series of complex orbital manoeuvres to their predecessors.

By 15 August, they should have joined their companions to form a unique space quartet. This mini-armada will spend the next two years exploring the interaction between the charged particles swept along in the solar wind and Earth's magnetic shield -- the magnetosphere.

By flying in tetrahedral formation through this magnetic bubble and into interplanetary space, the Cluster quartet will provide the most detailed data yet on the Sun-Earth connection and the physical processes taking place between 19,000 and 119,000 kilometres above our heads.

  • ESA Cluster II
  • ESA Space Weather site

    Cluster Instrument Sites

  • Imperial College, London (Fluxgate Magnetometer)
  • Mullard Space Science Laboratory (Plasma Electron and Current Experiment)
  • Rutherford Appleton Laboratory (Cluster Joint Science Operations Centre)

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